Xinhua Magnetic Locking System, Cabinet Locks, No tools needed, 1 Key & 4 Locks 1st choice for protecting your children from dangerous household items The Latch & Lock are placed inside the Cabinet, Cupboard, or Drawer Door - Completely invisible to your children No drilling or screws required for installation. With 3M ddhesive tape you can rest assure your storage items are secure Must have flat surface inside cabinet in order to install correctly. Allow 24 hour for adhesive dry before usage Childproofing your house just got easier - Bathroom, Kitchen, Bedroom, Garage...